diff --git a/astrbot/core/provider/manager.py b/astrbot/core/provider/manager.py
index b72d53c36..ad8cb8a4f 100644
--- a/astrbot/core/provider/manager.py
+++ b/astrbot/core/provider/manager.py
@@ -63,6 +63,10 @@ class ProviderManager():
             except Exception as e:
                 logger.error(f"解析 Persona 配置失败：{e}")
         
+        if not self.selected_default_persona and len(self.personas) > 0:
+            # 默认选择第一个
+            self.selected_default_persona = self.personas[0]
+        
         
         self.provider_insts: List[Provider] = []
         '''加载的 Provider 的实例'''
diff --git a/packages/astrbot/long_term_memory.py b/packages/astrbot/long_term_memory.py
index 968ab7cae..97d80ccf9 100644
--- a/packages/astrbot/long_term_memory.py
+++ b/packages/astrbot/long_term_memory.py
@@ -63,7 +63,6 @@ class LongTermMemory:
         match self.ar_method:
             case "possibility_reply":
                 trig = random.random() < self.ar_possibility
-                logger.debug("主动回复触发。")
                 return trig
             
         return False
diff --git a/packages/astrbot/main.py b/packages/astrbot/main.py
index 086afd969..089decd01 100644
--- a/packages/astrbot/main.py
+++ b/packages/astrbot/main.py
@@ -368,6 +368,7 @@ UID: {user_id} 此 ID 可用于设置管理员。/op <UID> 授权管理员, /deo
 - 设置人格情景: `/persona 人格名`, 如 /persona 编剧
 - 人格情景列表: `/persona list`
 - 人格情景详细信息: `/persona view 人格名`
+- 取消人格: `/persona unset`
 
 当前人格情景: {curr_persona_name}
 
@@ -393,6 +394,9 @@ UID: {user_id} 此 ID 可用于设置管理员。/op <UID> 授权管理员, /deo
             else:
                 msg = f"人格{ps}不存在"
             message.set_result(MessageEventResult().message(msg))
+        elif l[1] == "unset":
+            self.context.get_using_provider().curr_personality = None
+            message.set_result(MessageEventResult().message("取消人格成功。"))
         else:
             ps = "".join(l[1:]).strip()
             if persona := next(builtins.filter(